BRPI0914056A2 - esquema de codificação e decodificação comutável de multiresolução - Google Patents
esquema de codificação e decodificação comutável de multiresoluçãoInfo
- Publication number
- BRPI0914056A2 BRPI0914056A2 BRPI0914056A BRPI0914056A BRPI0914056A2 BR PI0914056 A2 BRPI0914056 A2 BR PI0914056A2 BR PI0914056 A BRPI0914056 A BR PI0914056A BR PI0914056 A BRPI0914056 A BR PI0914056A BR PI0914056 A2 BRPI0914056 A2 BR PI0914056A2
- Authority
- BR
- Brazil
- Prior art keywords
- multiresolution
- switchable
- encoding
- decoding scheme
- decoding
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10382508P | 2008-10-08 | 2008-10-08 | |
| EP08017663 | 2008-10-08 | ||
| EP08017663.9 | 2008-10-08 | ||
| US61/103,825 | 2008-10-08 | ||
| EP09002271.6 | 2009-02-18 | ||
| EP09002271A EP2144230A1 (en) | 2008-07-11 | 2009-02-18 | Low bitrate audio encoding/decoding scheme having cascaded switches |
| PCT/EP2009/007205 WO2010040522A2 (en) | 2008-10-08 | 2009-10-07 | Multi-resolution switched audio encoding/decoding scheme |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0914056A2 true BRPI0914056A2 (pt) | 2015-11-03 |
| BRPI0914056B1 BRPI0914056B1 (pt) | 2019-07-02 |
Family
ID=42101010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0914056-5A BRPI0914056B1 (pt) | 2008-10-08 | 2009-10-07 | Esquema de codificação/decodificação de áudio comutado multi-resolução |
Country Status (14)
| Country | Link |
|---|---|
| EP (2) | EP2345030A2 (pt) |
| JP (1) | JP5555707B2 (pt) |
| KR (3) | KR20130069833A (pt) |
| CN (1) | CN102177426B (pt) |
| AR (1) | AR076060A1 (pt) |
| BR (1) | BRPI0914056B1 (pt) |
| CA (1) | CA2739736C (pt) |
| CO (1) | CO6362072A2 (pt) |
| MX (1) | MX2011003824A (pt) |
| MY (1) | MY154633A (pt) |
| RU (1) | RU2520402C2 (pt) |
| TW (2) | TWI520128B (pt) |
| WO (1) | WO2010040522A2 (pt) |
| ZA (1) | ZA201102537B (pt) |
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| EP2144230A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
| EP2460158A4 (en) | 2009-07-27 | 2013-09-04 | METHOD AND DEVICE FOR PROCESSING A TONE SIGNAL | |
| WO2011034374A2 (en) * | 2009-09-17 | 2011-03-24 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
| WO2011147950A1 (en) * | 2010-05-28 | 2011-12-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low-delay unified speech and audio codec |
| JP5882895B2 (ja) * | 2010-06-14 | 2016-03-09 | パナソニック株式会社 | 復号装置 |
| KR101696632B1 (ko) | 2010-07-02 | 2017-01-16 | 돌비 인터네셔널 에이비 | 선택적인 베이스 포스트 필터 |
| CN103119646B (zh) * | 2010-07-20 | 2016-09-07 | 弗劳恩霍夫应用研究促进协会 | 音频编码器、音频解码器、编码音频信息的方法以及解码音频信息的方法 |
| TWI564882B (zh) | 2011-02-14 | 2017-01-01 | 弗勞恩霍夫爾協會 | 利用重疊變換之資訊信號表示技術（一） |
| BR112013020324B8 (pt) | 2011-02-14 | 2022-02-08 | Fraunhofer Ges Forschung | Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio |
| EP2676267B1 (en) | 2011-02-14 | 2017-07-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoding and decoding of pulse positions of tracks of an audio signal |
| MY165853A (en) | 2011-02-14 | 2018-05-18 | Fraunhofer Ges Forschung | Linear prediction based coding scheme using spectral domain noise shaping |
| KR101699898B1 (ko) | 2011-02-14 | 2017-01-25 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치 |
| AU2012217162B2 (en) | 2011-02-14 | 2015-11-26 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Noise generation in audio codecs |
| TWI488176B (zh) | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | 音訊信號音軌脈衝位置之編碼與解碼技術 |
| KR101613673B1 (ko) | 2011-02-14 | 2016-04-29 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 불활성 위상 동안에 잡음 합성을 사용하는 오디오 코덱 |
| WO2012110448A1 (en) | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
| TWI479478B (zh) | 2011-02-14 | 2015-04-01 | 弗勞恩霍夫爾協會 | 用以使用對齊的預看部分將音訊信號解碼的裝置與方法 |
| CN103620675B (zh) | 2011-04-21 | 2015-12-23 | 三星电子株式会社 | 对线性预测编码系数进行量化的设备、声音编码设备、对线性预测编码系数进行反量化的设备、声音解码设备及其电子装置 |
| CN103620676B (zh) * | 2011-04-21 | 2016-03-09 | 三星电子株式会社 | 对线性预测编码系数进行量化的方法、声音编码方法、对线性预测编码系数进行反量化的方法、声音解码方法以及记录介质 |
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| KR20080097178A (ko) * | 2006-01-18 | 2008-11-04 | 연세대학교 산학협력단 | 부호화/복호화 장치 및 방법 |
| KR101016224B1 (ko) * | 2006-12-12 | 2011-02-25 | 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 | 인코더, 디코더 및 시간 영역 데이터 스트림을 나타내는 데이터 세그먼트를 인코딩하고 디코딩하는 방법 |
| KR100883656B1 (ko) * | 2006-12-28 | 2009-02-18 | 삼성전자주식회사 | 오디오 신호의 분류 방법 및 장치와 이를 이용한 오디오신호의 부호화/복호화 방법 및 장치 |
-
2009
- 2009-10-07 KR KR1020137011185A patent/KR20130069833A/ko not_active Withdrawn
- 2009-10-07 CN CN200980140055.XA patent/CN102177426B/zh active Active
- 2009-10-07 TW TW102120721A patent/TWI520128B/zh active
- 2009-10-07 KR KR1020117010644A patent/KR101403115B1/ko active Active
- 2009-10-07 TW TW098133982A patent/TWI419148B/zh active
- 2009-10-07 MY MYPI2011001560A patent/MY154633A/en unknown
- 2009-10-07 CA CA2739736A patent/CA2739736C/en active Active
- 2009-10-07 BR BRPI0914056-5A patent/BRPI0914056B1/pt active IP Right Grant
- 2009-10-07 KR KR1020137031257A patent/KR20130133917A/ko not_active Ceased
- 2009-10-07 MX MX2011003824A patent/MX2011003824A/es active IP Right Grant
- 2009-10-07 EP EP09736835A patent/EP2345030A2/en not_active Ceased
- 2009-10-07 RU RU2011117699/08A patent/RU2520402C2/ru active
- 2009-10-07 JP JP2011530415A patent/JP5555707B2/ja active Active
- 2009-10-07 WO PCT/EP2009/007205 patent/WO2010040522A2/en not_active Ceased
- 2009-10-07 EP EP19213835.2A patent/EP3640941A1/en not_active Ceased
- 2009-10-08 AR ARP090103876A patent/AR076060A1/es active IP Right Grant
-
2011
- 2011-04-06 ZA ZA2011/02537A patent/ZA201102537B/en unknown
- 2011-05-06 CO CO11055712A patent/CO6362072A2/es active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0914056B1 (pt) | 2019-07-02 |
| CA2739736C (en) | 2015-12-01 |
| AU2009301358A1 (en) | 2010-04-15 |
| AU2009301358A8 (en) | 2011-05-26 |
| RU2520402C2 (ru) | 2014-06-27 |
| WO2010040522A3 (en) | 2010-09-02 |
| CN102177426A (zh) | 2011-09-07 |
| KR20130069833A (ko) | 2013-06-26 |
| KR101403115B1 (ko) | 2014-06-27 |
| CN102177426B (zh) | 2014-11-05 |
| JP5555707B2 (ja) | 2014-07-23 |
| EP2345030A2 (en) | 2011-07-20 |
| TWI419148B (zh) | 2013-12-11 |
| KR20130133917A (ko) | 2013-12-09 |
| TWI520128B (zh) | 2016-02-01 |
| CO6362072A2 (es) | 2012-01-20 |
| ZA201102537B (en) | 2011-12-28 |
| KR20110081291A (ko) | 2011-07-13 |
| RU2011117699A (ru) | 2012-11-10 |
| TW201344679A (zh) | 2013-11-01 |
| AR076060A1 (es) | 2011-05-18 |
| EP3640941A1 (en) | 2020-04-22 |
| TW201142827A (en) | 2011-12-01 |
| WO2010040522A2 (en) | 2010-04-15 |
| JP2012505423A (ja) | 2012-03-01 |
| MX2011003824A (es) | 2011-05-02 |
| CA2739736A1 (en) | 2010-04-15 |
| MY154633A (en) | 2015-07-15 |
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| B15K | Others concerning applications: alteration of classification |
Ipc: G01L 19/02 (2006.01), G10L 19/24 (2013.01), G10L 1 |
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Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 07/10/2009, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 07/10/2009, OBSERVADAS AS CONDICOES LEGAIS |